Engineered FuG1 antibody (IMAGE) University of California - Davis Health Caption Engineered FuG1 antibody competitively interferes with the furin function needed for the SARS-CoV-2 virus to become highly transmissible. Credit UC Regents Usage Restrictions For editorial purposes only. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.